package com.qd.panda.service.discount;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.panda.domain.entity.discount.CarParkGasStationDiscountSetDTO;
import com.qd.common.sys.enums.BaseTableEnum;
import com.qd.panda.mapper.discount.CarParkGasStationDiscountSetMapper;
import com.qd.panda.model.CarParkGasStationDiscountSet;
import com.qd.system.service.dict.MbUtil;
import com.qd.system.service.login.LoginUserService;
import com.qd.system.service.org.OrgService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.math.BigDecimal;
import java.util.*;

import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;

/**
 * 加油折扣设置
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class CarParkGasStationDiscountSetService extends BaseService<CarParkGasStationDiscountSetMapper, CarParkGasStationDiscountSet> {

    private static final String PREFIX_ID = "panda_car_park_gas_station_discount_set_gasStationCompanyName_{0}";
    public static final String PREFIX_ID_AMOUNT = "gas_station_discount_set_gasStationCompanyName_{0}_amount_{1}";
    public static final String PREFIX_CUSTOMER_DISCOUNT_AMOUNT = "gas_station_discount_set_gasStationCompanyName_{0}_discount_{1}_amount_{2}";
    public static final String SCAN_ID_AMOUNT = "gas_station_discount_set_gasStationCompanyName_{0}_*";

    private final RedisTemplateUtil<CarParkGasStationDiscountSet> redisTemplateUtil;

    private final LoginUserService loginUserService;
    private final OrgService orgService;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CarParkGasStationDiscountSetDTO save(CarParkGasStationDiscountSetDTO dto) {
        checkMb(dto);
        final CarParkGasStationDiscountSet model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public CarParkGasStationDiscountSetDTO update(CarParkGasStationDiscountSetDTO dto) {
        checkMb(dto);
        final CarParkGasStationDiscountSet historyModel = Optional.ofNullable(getById(dto.getGasStationCompanyName())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final CarParkGasStationDiscountSet model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 批量添加
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void saveBatch(List<CarParkGasStationDiscountSet> mList) {
        try {
            if (!super.saveBatch(mList)) {
                throw new ApiException("批量添加失败");
            }
        } finally {
            clearCaches(mList);
        }
    }

    /**
     * 批量更新
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void updateBatchIds(List<CarParkGasStationDiscountSet> mList) {
        final List<String> ids = mList.stream().map(CarParkGasStationDiscountSet::getGasStationCompanyName).collect(toList());
        final List<CarParkGasStationDiscountSet> historyModelList = checkIds(ids);
        try {
            if (!super.updateBatchById(mList)) {
                throw new ApiException("批量更新失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
            ids.clear();
        }
    }

    /**
     * 删除，单个
     *
     * @param gasStationCompanyName 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String gasStationCompanyName) {
        final CarParkGasStationDiscountSet historyModel = Optional.ofNullable(getById(gasStationCompanyName)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(gasStationCompanyName)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        final List<CarParkGasStationDiscountSet> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(CarParkGasStationDiscountSetDTO dto) {
        final QueryWrapper<CarParkGasStationDiscountSet> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param gasStationCompanyName 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String gasStationCompanyName) {
        boolean exists = false;
        if (StringUtils.hasLength(gasStationCompanyName)) {
            final CarParkGasStationDiscountSet model = getById(gasStationCompanyName);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param gasStationCompanyName 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CarParkGasStationDiscountSet getById(String gasStationCompanyName) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, gasStationCompanyName);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(gasStationCompanyName), CarParkGasStationDiscountSet.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param gasStationCompanyName 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CarParkGasStationDiscountSetDTO getByIdDto(String gasStationCompanyName) {
        return Optional.ofNullable(getById(gasStationCompanyName)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public CarParkGasStationDiscountSet getOne(CarParkGasStationDiscountSetDTO dto) {
        final QueryWrapper<CarParkGasStationDiscountSet> queryWrapper = createQueryWrapper(dto);
        CarParkGasStationDiscountSet model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public CarParkGasStationDiscountSetDTO getOneDto(CarParkGasStationDiscountSetDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<CarParkGasStationDiscountSet> getList(CarParkGasStationDiscountSetDTO dto) {
        final QueryWrapper<CarParkGasStationDiscountSet> queryWrapper = createQueryWrapper(dto);
        final List<CarParkGasStationDiscountSet> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<CarParkGasStationDiscountSetDTO> getListDto(CarParkGasStationDiscountSetDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<CarParkGasStationDiscountSetDTO> page(Page<CarParkGasStationDiscountSet> page, CarParkGasStationDiscountSetDTO dto) {
        final QueryWrapper<CarParkGasStationDiscountSet> queryWrapper = createQueryWrapper(dto, "t1.");
        final IPage<CarParkGasStationDiscountSetDTO> iPage = baseMapper.page(page, queryWrapper);
        Optional.ofNullable(iPage.getRecords()).ifPresent(l -> l.forEach(this::buildDisplay));
        queryWrapper.clear();
        return iPage;
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(CarParkGasStationDiscountSet model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getGasStationCompanyName()));
        String scanKey = RedisTemplateUtil.getRedisCacheKey(SCAN_ID_AMOUNT, model.getGasStationCompanyName());
        Optional.ofNullable(redisTemplateUtil.scan(scanKey)).ifPresent(keys -> redisTemplateUtil.getStringRedisTemplate().delete(keys));

    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<CarParkGasStationDiscountSet> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getGasStationCompanyName())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
        }
        Set<String> scanIds = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(SCAN_ID_AMOUNT, model.getGasStationCompanyName())).collect(toSet());
        scanIds.forEach(key -> Optional.ofNullable(redisTemplateUtil.scan(key)).ifPresent(keys -> redisTemplateUtil.getStringRedisTemplate().delete(keys)));
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public CarParkGasStationDiscountSetDTO modelToDto(CarParkGasStationDiscountSet model) {
        if (null == model) {
            return null;
        }
        final CarParkGasStationDiscountSetDTO dto = new CarParkGasStationDiscountSetDTO();
        dto.setGasStationCompanyName(model.getGasStationCompanyName());
        dto.setCustomerDiscount(model.getCustomerDiscount());
        dto.setAddTime(model.getAddTime());
        dto.setUpdateTime(model.getUpdateTime());
        dto.setOperator(model.getOperator());
        dto.setOrgId(model.getOrgId());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public CarParkGasStationDiscountSet dtoToModel(CarParkGasStationDiscountSetDTO dto) {
        if (null == dto) {
            return null;
        }
        final CarParkGasStationDiscountSet model = new CarParkGasStationDiscountSet();
        model.setGasStationCompanyName(dto.getGasStationCompanyName());
        model.setCustomerDiscount(dto.getCustomerDiscount());
        model.setAddTime(dto.getAddTime());
        model.setUpdateTime(dto.getUpdateTime());
        model.setOperator(dto.getOperator());
        model.setOrgId(dto.getOrgId());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(CarParkGasStationDiscountSetDTO dto) {
        dto.setGasStationCompanyNameDisplay(MbUtil.idToDisplay(dto.getGasStationCompanyName()));
        dto.setOperatorDisplay(loginUserService.idToDisplay(dto.getOperator()));
        dto.setOrgIdDisplay(orgService.idToDisplay(dto.getOrgId()));
        dto.setCustomerDiscountDisplay(dto.getCustomerDiscount().stripTrailingZeros().toPlainString());
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<CarParkGasStationDiscountSetDTO> modelToDtoList(List<CarParkGasStationDiscountSet> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<CarParkGasStationDiscountSet> dtoToModelList(List<CarParkGasStationDiscountSetDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<CarParkGasStationDiscountSet> createQueryWrapper(CarParkGasStationDiscountSetDTO dto) {
        return createQueryWrapper(dto, "");
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto        查询参数，不为空的属性会被自动加入
     * @param tableAlias 表别名
     */
    public QueryWrapper<CarParkGasStationDiscountSet> createQueryWrapper(CarParkGasStationDiscountSetDTO dto, String tableAlias) {
        final QueryWrapper<CarParkGasStationDiscountSet> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(tableAlias) && tableAlias.charAt(tableAlias.length() - 1) != '.') {
                tableAlias += ".";
            }
            if (StringUtils.hasLength(dto.getGasStationCompanyName())) {
                queryWrapper.eq(tableAlias + "gas_station_company_name", dto.getGasStationCompanyName());
            }
        }
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     * @return 主键查询出来的集合
     */
    public List<CarParkGasStationDiscountSet> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<CarParkGasStationDiscountSet> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(CarParkGasStationDiscountSet::getGasStationCompanyName).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    private void checkMb(CarParkGasStationDiscountSetDTO dto) {
        if (Boolean.TRUE.equals(MbUtil.isNotExists(dto.getGasStationCompanyName(), BaseTableEnum.GAS_STATION_COMPANY_NAME))) {
            throw new ApiException("加油站公司名称不存在");
        }
        final BigDecimal customerDiscount = dto.getCustomerDiscount();
        if (customerDiscount.doubleValue() < 0) {
            throw new ApiException("折扣必须大于0");
        }
    }
}